URL:Scam: Avast/AVG Web Shield Detection Explained

URL:Scam is an Avast/AVG web protection alert for a page that looks fraudulent, deceptive, or unsafe. The warning may be caused by the site itself, a bad ad redirect, a malicious link,…

URL:Scam is an Avast/AVG web protection alert for a page that looks fraudulent, deceptive, or unsafe. The warning may be caused by the site itself, a bad ad redirect, a malicious link, or browser adware opening scam pages.

What URL:Scam means

URL:Scam is a web-level detection. It does not always mean that your Windows system is infected. It means the antivirus blocked a page or redirect before the browser could load it safely.

Why it appears

  • The site is impersonating a brand, shop, exchange, support page, or login form.
  • A legitimate site is showing a malicious ad or redirect.
  • A browser extension or notification permission keeps opening scam pages.
  • Malware or adware is injecting redirects into browsing sessions.

What to do

  1. Close the blocked tab and do not enter passwords or card details.
  2. Check whether the alert always mentions the same domain.
  3. Remove unknown browser extensions and notification permissions.
  4. Clear site data for the suspicious domain.
  5. If alerts appear on many unrelated sites, scan the computer and check proxy/DNS settings.
  6. Do not whitelist the URL unless you control the site or can verify it with several independent checks.

FAQ

Is URL:Scam a virus?

Usually it is a blocked web threat, not a standalone Windows file. Repeated alerts across many sites may point to browser adware or a malicious extension.

Can the site be a false positive?

Yes, but whitelist only after checking the domain owner, final redirect URL, reputation, and whether the site was recently compromised.

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About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

One Response

  1. Leatha schrijven August 14, 2025

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